Optimal. Leaf size=226 \[ \frac{\left (3 a^2-8 b^2\right ) \tanh ^{-1}\left (\frac{\sqrt{b} \sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{4 \sqrt{b} d}+\frac{(-b+i a)^{3/2} \tan ^{-1}\left (\frac{\sqrt{-b+i a} \sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{d}+\frac{\sqrt{\tan (c+d x)} (a+b \tan (c+d x))^{3/2}}{2 d}+\frac{3 a \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)}}{4 d}+\frac{(b+i a)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{b+i a} \sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{d} \]
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Rubi [A] time = 1.49657, antiderivative size = 226, normalized size of antiderivative = 1., number of steps used = 14, number of rules used = 10, integrand size = 25, \(\frac{\text{number of rules}}{\text{integrand size}}\) = 0.4, Rules used = {3570, 3647, 3655, 6725, 63, 217, 206, 93, 205, 208} \[ \frac{\left (3 a^2-8 b^2\right ) \tanh ^{-1}\left (\frac{\sqrt{b} \sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{4 \sqrt{b} d}+\frac{(-b+i a)^{3/2} \tan ^{-1}\left (\frac{\sqrt{-b+i a} \sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{d}+\frac{\sqrt{\tan (c+d x)} (a+b \tan (c+d x))^{3/2}}{2 d}+\frac{3 a \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)}}{4 d}+\frac{(b+i a)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{b+i a} \sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{d} \]
Antiderivative was successfully verified.
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Rule 3570
Rule 3647
Rule 3655
Rule 6725
Rule 63
Rule 217
Rule 206
Rule 93
Rule 205
Rule 208
Rubi steps
\begin{align*} \int \tan ^{\frac{3}{2}}(c+d x) (a+b \tan (c+d x))^{3/2} \, dx &=\frac{\sqrt{\tan (c+d x)} (a+b \tan (c+d x))^{3/2}}{2 d}+\frac{1}{2} \int \frac{\sqrt{a+b \tan (c+d x)} \left (-\frac{a}{2}-2 b \tan (c+d x)+\frac{3}{2} a \tan ^2(c+d x)\right )}{\sqrt{\tan (c+d x)}} \, dx\\ &=\frac{3 a \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)}}{4 d}+\frac{\sqrt{\tan (c+d x)} (a+b \tan (c+d x))^{3/2}}{2 d}+\frac{1}{2} \int \frac{-\frac{5 a^2}{4}-4 a b \tan (c+d x)+\frac{1}{4} \left (3 a^2-8 b^2\right ) \tan ^2(c+d x)}{\sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)}} \, dx\\ &=\frac{3 a \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)}}{4 d}+\frac{\sqrt{\tan (c+d x)} (a+b \tan (c+d x))^{3/2}}{2 d}+\frac{\operatorname{Subst}\left (\int \frac{-\frac{5 a^2}{4}-4 a b x+\frac{1}{4} \left (3 a^2-8 b^2\right ) x^2}{\sqrt{x} \sqrt{a+b x} \left (1+x^2\right )} \, dx,x,\tan (c+d x)\right )}{2 d}\\ &=\frac{3 a \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)}}{4 d}+\frac{\sqrt{\tan (c+d x)} (a+b \tan (c+d x))^{3/2}}{2 d}+\frac{\operatorname{Subst}\left (\int \left (\frac{3 a^2-8 b^2}{4 \sqrt{x} \sqrt{a+b x}}-\frac{2 \left (a^2-b^2+2 a b x\right )}{\sqrt{x} \sqrt{a+b x} \left (1+x^2\right )}\right ) \, dx,x,\tan (c+d x)\right )}{2 d}\\ &=\frac{3 a \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)}}{4 d}+\frac{\sqrt{\tan (c+d x)} (a+b \tan (c+d x))^{3/2}}{2 d}-\frac{\operatorname{Subst}\left (\int \frac{a^2-b^2+2 a b x}{\sqrt{x} \sqrt{a+b x} \left (1+x^2\right )} \, dx,x,\tan (c+d x)\right )}{d}+\frac{\left (3 a^2-8 b^2\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt{x} \sqrt{a+b x}} \, dx,x,\tan (c+d x)\right )}{8 d}\\ &=\frac{3 a \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)}}{4 d}+\frac{\sqrt{\tan (c+d x)} (a+b \tan (c+d x))^{3/2}}{2 d}-\frac{\operatorname{Subst}\left (\int \left (\frac{-2 a b+i \left (a^2-b^2\right )}{2 (i-x) \sqrt{x} \sqrt{a+b x}}+\frac{2 a b+i \left (a^2-b^2\right )}{2 \sqrt{x} (i+x) \sqrt{a+b x}}\right ) \, dx,x,\tan (c+d x)\right )}{d}+\frac{\left (3 a^2-8 b^2\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt{a+b x^2}} \, dx,x,\sqrt{\tan (c+d x)}\right )}{4 d}\\ &=\frac{3 a \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)}}{4 d}+\frac{\sqrt{\tan (c+d x)} (a+b \tan (c+d x))^{3/2}}{2 d}-\frac{\left (i (a-i b)^2\right ) \operatorname{Subst}\left (\int \frac{1}{\sqrt{x} (i+x) \sqrt{a+b x}} \, dx,x,\tan (c+d x)\right )}{2 d}-\frac{\left (i (a+i b)^2\right ) \operatorname{Subst}\left (\int \frac{1}{(i-x) \sqrt{x} \sqrt{a+b x}} \, dx,x,\tan (c+d x)\right )}{2 d}+\frac{\left (3 a^2-8 b^2\right ) \operatorname{Subst}\left (\int \frac{1}{1-b x^2} \, dx,x,\frac{\sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{4 d}\\ &=\frac{\left (3 a^2-8 b^2\right ) \tanh ^{-1}\left (\frac{\sqrt{b} \sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{4 \sqrt{b} d}+\frac{3 a \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)}}{4 d}+\frac{\sqrt{\tan (c+d x)} (a+b \tan (c+d x))^{3/2}}{2 d}-\frac{\left (i (a-i b)^2\right ) \operatorname{Subst}\left (\int \frac{1}{i-(-a+i b) x^2} \, dx,x,\frac{\sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{d}-\frac{\left (i (a+i b)^2\right ) \operatorname{Subst}\left (\int \frac{1}{i-(a+i b) x^2} \, dx,x,\frac{\sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{d}\\ &=\frac{(i a-b)^{3/2} \tan ^{-1}\left (\frac{\sqrt{i a-b} \sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{d}+\frac{\left (3 a^2-8 b^2\right ) \tanh ^{-1}\left (\frac{\sqrt{b} \sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{4 \sqrt{b} d}+\frac{(i a+b)^{3/2} \tanh ^{-1}\left (\frac{\sqrt{i a+b} \sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{d}+\frac{3 a \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)}}{4 d}+\frac{\sqrt{\tan (c+d x)} (a+b \tan (c+d x))^{3/2}}{2 d}\\ \end{align*}
Mathematica [B] time = 6.10458, size = 854, normalized size = 3.78 \[ \frac{2 a \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)} \left (\frac{b \tan (c+d x)}{a}+1\right )^2 \left (\frac{3 \sqrt{a} \sinh ^{-1}\left (\frac{\sqrt{b} \sqrt{\tan (c+d x)}}{\sqrt{a}}\right )}{8 \sqrt{b} \sqrt{\tan (c+d x)} \left (\frac{b \tan (c+d x)}{a}+1\right )^{5/2}}+\frac{1}{4} \left (\frac{1}{\frac{b \tan (c+d x)}{a}+1}+\frac{3}{2 \left (\frac{b \tan (c+d x)}{a}+1\right )^2}\right )\right )-i \left ((a+i b) \left (-\frac{2 \sqrt{a} \sqrt{b} \sqrt{\frac{b \tan (c+d x)}{a}+1} \sinh ^{-1}\left (\frac{\sqrt{b} \sqrt{\tan (c+d x)}}{\sqrt{a}}\right )}{\sqrt{a+b \tan (c+d x)}}-\frac{2 \sqrt [4]{-1} (a+i b) \tanh ^{-1}\left (\frac{\sqrt [4]{-1} \sqrt{-a-i b} \sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{\sqrt{-a-i b}}\right )-2 b \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)} \left (\frac{b \tan (c+d x)}{a}+1\right ) \left (\frac{\sqrt{a} \sinh ^{-1}\left (\frac{\sqrt{b} \sqrt{\tan (c+d x)}}{\sqrt{a}}\right )}{2 \sqrt{b} \sqrt{\tan (c+d x)} \left (\frac{b \tan (c+d x)}{a}+1\right )^{3/2}}+\frac{1}{2 \left (\frac{b \tan (c+d x)}{a}+1\right )}\right )\right )}{2 d}+\frac{2 a \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)} \left (\frac{b \tan (c+d x)}{a}+1\right )^2 \left (\frac{3 \sqrt{a} \sinh ^{-1}\left (\frac{\sqrt{b} \sqrt{\tan (c+d x)}}{\sqrt{a}}\right )}{8 \sqrt{b} \sqrt{\tan (c+d x)} \left (\frac{b \tan (c+d x)}{a}+1\right )^{5/2}}+\frac{1}{4} \left (\frac{1}{\frac{b \tan (c+d x)}{a}+1}+\frac{3}{2 \left (\frac{b \tan (c+d x)}{a}+1\right )^2}\right )\right )-i \left (2 b \sqrt{\tan (c+d x)} \sqrt{a+b \tan (c+d x)} \left (\frac{b \tan (c+d x)}{a}+1\right ) \left (\frac{\sqrt{a} \sinh ^{-1}\left (\frac{\sqrt{b} \sqrt{\tan (c+d x)}}{\sqrt{a}}\right )}{2 \sqrt{b} \sqrt{\tan (c+d x)} \left (\frac{b \tan (c+d x)}{a}+1\right )^{3/2}}+\frac{1}{2 \left (\frac{b \tan (c+d x)}{a}+1\right )}\right )-(i b-a) \left (\frac{2 \sqrt{a} \sqrt{b} \sqrt{\frac{b \tan (c+d x)}{a}+1} \sinh ^{-1}\left (\frac{\sqrt{b} \sqrt{\tan (c+d x)}}{\sqrt{a}}\right )}{\sqrt{a+b \tan (c+d x)}}+\frac{2 \sqrt [4]{-1} (i b-a) \tanh ^{-1}\left (\frac{\sqrt [4]{-1} \sqrt{a-i b} \sqrt{\tan (c+d x)}}{\sqrt{a+b \tan (c+d x)}}\right )}{\sqrt{a-i b}}\right )\right )}{2 d} \]
Antiderivative was successfully verified.
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Maple [B] time = 0.353, size = 1345912, normalized size = 5955.4 \begin{align*} \text{output too large to display} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [F] time = 0., size = 0, normalized size = 0. \begin{align*} \int{\left (b \tan \left (d x + c\right ) + a\right )}^{\frac{3}{2}} \tan \left (d x + c\right )^{\frac{3}{2}}\,{d x} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [F(-1)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Timed out} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [F(-2)] time = 0., size = 0, normalized size = 0. \begin{align*} \text{Exception raised: RuntimeError} \end{align*}
Verification of antiderivative is not currently implemented for this CAS.
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